CN102209108A - Method and system for realizing seamless communication between master scheduling station and substation of power grid - Google Patents
Method and system for realizing seamless communication between master scheduling station and substation of power grid Download PDFInfo
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Abstract
The invention discloses a method for realizing seamless communication between a master scheduling station and a substation of a power grid. The method comprises: a model configuration step of establishing an international electrotechnical commission (IEC)-61850-standard-format-based whole-station unified configuration model file comprising a primary equipment model and a second equipment model in the substation; a secure file transfer protocol (sFTP) file transmission step of uploading data comprising the whole-station unified configuration model file to the master scheduling station through sFTP connection by using a telecontrol workstation in the substation; a model conversion step of converting the whole-station unified configuration model file into an IEC-61970-standard-format-based common information model comprising communication information; and a seamless communication step of establishing seamless communication connection between the master scheduling station and the substation. The invention also discloses a corresponding system for realizing the seamless communication between the master scheduling station and substation of the power grid. By the method and the system, the seamless communication between the digital substation and the master scheduling station can be realized under the condition of avoiding influence on the conventional substation and the master scheduling station as much as possible.
Description
Technical field
The present invention relates to power system automatic field, relate in particular to a kind of method and system of realizing seamless communication between dispatching of power netwoks main website and the intelligent substation.
Background technology
In the present grid automation system, based on the digital transformer substation of IEC 61850 standards and ripe based on the application of the scheduling station of IEC 61970 standards.But there are bigger otherness in the model of IEC 61850 and IEC 61970, service interface, and the two is a heterogeneous system.Thereby, in existing application, need respectively at transformer station and scheduling station allocation models, draw winding diagram and configuration communication point table, on the one hand can't implementation model and figure shared, give full play to the technological merit of IEC 61850 and IEC 61970; On the other hand, keep the consistency between two heterogeneous systems, need hand inspection, very easily make mistakes, particularly transformer station's upgrading, transformation, maintenance cost is very high, does not satisfy source end maintenance requirement.
U.S.'s DianKeYuan had been delivered " model between the IEC 61970,61968 and 61850 merges " technical report in 2006, and this report has proposed the use-case that model merges, than the more comprehensive technical problem of having studied the information model fusion.ABB research institution had applied for international monopoly in 2007, exercise question is " bi-directional data conversion method and system between IEC 61850 and the IEC 61970 " (U.S. Patent number 20070185591), this patented invention the document conversion method from a standard to another standard, file format is respectively CIM XML (RDF Schema) and SCL (XML Schema).Guangdong Power Grid Electric Power Research Institutes in 2009 have proposed the modeling notion of UCIM, have delivered " IEC TC57 CIM and IEC 61850 SCL model integrations and UCIM make up " literary composition.
In sum, both at home and abroad about IEC 61850 and fusion of IEC 61970 models and the existing research of unified Modeling technology.Yet, the inventor finds in implementing process of the present invention, existing IEC 61850 digital transformer substations of China and IEC 61970 scheduling stations are used comparatively ripe, the system quantity that has put into operation is very big, realize the seamless communication between these existing digital transformer substations and the scheduling station, do not have effective scheme at present.
Summary of the invention
Technical problem to be solved by this invention is: a kind of method that realizes seamless communication between power network dispatching system and the transformer station is provided, this method can realize the seamless communication between digital transformer substation and the scheduling station under the situation that influences existing transformer station and scheduling station as small as possible.
The further technical problem to be solved of the present invention is: a kind of system that realizes seamless communication between power network dispatching system and the transformer station is provided, this system can realize the seamless communication between digital transformer substation and the scheduling station under the situation that influences existing transformer station and scheduling station as small as possible.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of method that realizes seamless communication between dispatching of power netwoks main website and the transformer station includes:
The model configuration step is unified the allocation models file at the full station that comprises primary equipment model and secondary device model of the built-in IEC of being based on 61850 reference formats of transformer station;
SFTP file transfer step, the data that will comprise described full station system configuration model file by the remote station in the transformer station upload to scheduling station by the sFTP connection;
The model conversion step becomes described full station CONFIG.SYS model conversion to meet the common information model that includes the communication information of IEC 61970 reference formats;
The seamless communication step, the seamless communication of setting up between scheduling station and the transformer station connects.
Correspondingly, the invention also discloses a kind of system that realizes seamless communication between dispatching of power netwoks main website and the transformer station, it is characterized in that this system includes:
The model dispensing unit is arranged in the transformer station, is used for unifying the allocation models file in foundation based on the full station that includes primary equipment model and secondary device model of IEC 61850 reference formats;
The sFTP linkage unit is arranged on the front end processor client in remote station service end in the transformer station and the scheduling station, and the data that are used for comprising described full station CONFIG.SYS model connect by sFTP and upload to scheduling station;
The model conversion unit, be arranged in monitoring system of electric substation main frame or the scheduling station front end processor, link to each other with described sFTP linkage unit, be used for CONFIG.SYS model conversion one-tenth in described full station is met the common information model that includes the communication information of IEC61970 reference format;
The seamless communication unit is arranged on remote station end and the interior front end processor end of scheduling station in the transformer station, and the seamless communication that is used to set up between scheduling station and the transformer station connects.
The invention has the beneficial effects as follows:
Embodiments of the invention are by unified configuration SCD model, drafting SVG winding diagram in transformer station, and be sent to scheduling station by the sFTP connected mode and realize share modeling, thereby under the situation that influences existing transformer station and scheduling station as small as possible, realized the seamless communication between digital transformer substation and the scheduling station.
The present invention is described in further detail below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the realization flow figure of an embodiment of method of seamless communication between realization dispatching of power netwoks main website provided by the invention and the transformer station;
Fig. 2 is the composition structure chart of an embodiment of system of seamless communication between realization dispatching of power netwoks main website provided by the invention and the transformer station.
Embodiment
Describe an embodiment of the method for seamless communication between realization dispatching of power netwoks main website provided by the invention and the transformer station in detail below with reference to Fig. 1; As shown in the figure, present embodiment mainly includes:
Model configuration step S2, allocation models file (SCD) is unified at the full station that includes primary equipment model and secondary device model at the built-in IEC of being based on 61850 reference formats of transformer station, particularly, described SCD model includes incidence relation description, the secondary device description of primary equipment and topological connection relation description, primary equipment and secondary device at least;
SFTP Connection Step S3, the data that will comprise described full station allocation models file by the remote station in the transformer station upload to scheduling station by the sFTP connection;
Model conversion step S4, described full station CONFIG.SYS model conversion is become to meet the common information model that includes the communication information of IEC 61970 reference formats, in this step, model conversion comprises static models conversion and dynamic model conversion, static models comprise resource descriptions such as transforming plant primary equipment and topological connection relation thereof, and dynamic model comprises resource descriptions such as measurement;
Seamless communication step S9, the seamless communication of setting up between scheduling station and the transformer station connects, in this step, transformer station's remote station becomes IEC 60870-5-104 according to IEC 61850-80-1 with IEC 61850 information mapping, communicate with the main website front end processor, realize the seamless communication between digital transformer substation and the scheduling station.
During specific implementation, sFTP Connection Step S3 can specifically include:
The sFTP catalogue imports step S31, and the sFTP that the file of needs transmission is inserted in the remote station serves under the assigned catalogue, and to the scheduling station file service;
SFTP data transmission step S32, scheduling station set up sFTP in the client mode with described remote station and are connected, and the file under the described sFTP service assigned catalogue is downloaded in the scheduling station.
During specific implementation, before sFTP Connection Step S3, also include:
Graphic plotting step S1, winding diagram for primary equipment rendered visualization in the transformer station, comprise electric pressure, at interval, power transformer, Transformer Winding, circuit breaker, isolating switch etc., and described winding diagram expanded the output of vector graphics (SVG) file with normalized.
And the data among the sFTP Connection Step S3 also include the described vector graphics file of expanding.
And after described model conversion step S4, also can include:
Artwork associated steps S5, with described common information model with associate according to the described Drawing Object of expanding in an amount of graphic file.
After artwork associated steps S5, also can include:
Data importing step S7, the electric energy management system with described common information model file and winding diagram importing scheduling station generates database and graphical interfaces, and generates communication information table according to the communication information that comprises in the common information model.
And before data importing step S7, also can include:
Legitimacy checking procedure S6, the legitimacy of described common information model of verification and winding diagram if check results is legal, is then carried out described data importing step.
In addition, after model conversion step S4, also can include:
Communication mapping step S10 generates communication map information swap file;
After communication steps S11 in the transformer station, remote station import described communication map information swap file, with ACSI client mode set up and stand in the communicating to connect of IED device, subscribe to device report service, realize real-time Data Transmission.
After described data importing step S7, also include:
File comparison step S8, scheduling station is exported described communication information table, compares the consistency of the described communication information of verification and the map information swap file of communicating by letter with the described map information swap file of communicating by letter.
During specific implementation, in model configuration step S1, can standard be described according to the digital transformer substation primary equipment model configuration of following IEC 61850-6 standard, at the off-line arrangement SCD of transformer station model, the SCD file can comprise deploy contents such as communication, primary equipment, IED model, data template, repeats no more herein.
The integrated manufacturer of comprehensive automation system of transformer substation provides system configuration utility, is responsible for merging the ICD of transformer station allocation models, forms the SCD file after the instantiation, gives the user and files.Other producer of system (for example protecting substation, record marble station etc.) is unified asks for the SCD file to the owner, guarantees the uniformity of model.The SCD model that has only complete configuration promptly except the secondary device model, also comprises the incidence relation between primary equipment and annexation thereof, primary equipment and the secondary device logical node, could generate the CIM model according to the mapping relations conversion.
Describe an embodiment of the system of seamless communication between realization dispatching of power netwoks main website provided by the invention and the transformer station in detail below with reference to Fig. 2; As shown in the figure, present embodiment mainly includes:
The sFTP linkage unit is arranged on the front end processor client in remote station service end in the transformer station and the scheduling station, and the data that are used for comprising described full station allocation models file connect by sFTP and upload to scheduling station;
The seamless communication unit is arranged on remote station end and the interior front end processor end of scheduling station in the transformer station, and the seamless communication that is used to set up between scheduling station and the transformer station connects.
During specific implementation, described sFTP linkage unit can specifically include:
During specific implementation, this system also can include:
And the data of described sFTP linkage unit transmission also include the described vector graphics file of expanding; And
Artwork associative cell 5 links to each other with described sFTP linkage unit with model conversion unit 4, is used for associating with described common information model and according to the described winding diagram of expanding an amount of graphic file reduction generation.
This system also can include:
Data importing unit 7, link to each other with artwork associative cell 5, be used for electric energy management system (EMS), generate database and graphical interfaces, and generate communication information table according to the communication information that comprises in the common information model with described common information model file and winding diagram importing scheduling station.
This system also includes:
In addition, this system also can include:
This system also can include:
During specific implementation, seamless communication unit (the transformer station's side) 91 that is arranged on transformer station's remote station becomes IEC 60870-5-104 according to IEC 61850-80-1 with IEC 61850 information mapping, communicate with the seamless communication unit that is arranged on the main website front end processor (scheduling station side) 92, realize the seamless communication between digital transformer substation and the scheduling station.
After implementing the present invention first, can select the remote signalling of part position, remote measurement, the hard contact point signal of protection and carry out the transmission test, test is included version management in by the back backup SCD of transformer station model, communication map information table, SVG main wiring diagram, CIM file.After testing successfully, close remote station sFTP Connection Service, finish whole debug process.
In sum; the present invention proposes the implementation method of setting up seamless communication between electrical network IEC 61850 digital transformer substations and IEC 61970 main websites; implement the present invention; when control centre's main station system inserts digital transformer substation telemechanical or protective device information; the self-described model that can directly adopt transformer station to set up; automatically set up the artwork incidence relation and the mapping of communicating by letter; reduce the repetitive operation that artificial checking signal etc. is very easily made mistakes; satisfy the source end and safeguard needs, improve interoperability and information exchange ability between transformer station and the control centre.
The method and system of seamless communication are model-driven fully between realization dispatching of power netwoks main website proposed by the invention and the digital transformer substation, given full play to the superiority of IEC 61850 and IEC61970 standard application, can greatly alleviate the repeated workload of main website, improve interoperability and information exchange ability between digital transformer substation and the main website, promote the in-depth of digital transformer substation and main website to use.The present invention has been successfully applied to Shenzhen electrical network 220kV letter dragon station and 110kV stands romote antiquity, and has obtained good effect, uses to show that the present invention has the excellent popularization using value.
The above is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also are considered as protection scope of the present invention.
Claims (16)
1. a method that realizes seamless communication between dispatching of power netwoks main website and the transformer station is characterized in that, includes:
The model configuration step is unified the allocation models file at the full station that comprises primary equipment model and secondary device model of the built-in IEC of being based on 61850 reference formats of transformer station;
SFTP file transfer step, the data that will comprise described full station allocation models file by the remote station in the transformer station upload to scheduling station by the sFTP connection;
The model conversion step becomes the allocation models file conversion of described full station to meet the common information model that includes the communication information of IEC 61970 reference formats;
The seamless communication step, the seamless communication of setting up between scheduling station and the transformer station connects.
2. the method for seamless communication is characterized in that between realization dispatching of power netwoks main website as claimed in claim 1 and the transformer station, and described sFTP file transfer step includes:
The file storage step, the sFTP that the model file of needs transmission is inserted in the remote station serves under the assigned catalogue;
SFTP file transfer step, scheduling station are set up sFTP in the client mode with described remote station and are connected, and the data under the described sFTP service assigned catalogue are downloaded in the scheduling station.
3. the method for seamless communication is characterized in that between realization dispatching of power netwoks main website as claimed in claim 1 or 2 and the transformer station, also includes before described sFTP file transfer step:
The graphic plotting step, the main wiring diagram of visual drafting transforming plant primary equipment, and with described winding diagram can expand vector graphics file output;
And the data in the described sFTP file transfer step also include the described vector graphics file of expanding;
And after described model conversion step, also include:
The artwork associated steps, with described common information model with associate according to the described Drawing Object of expanding in an amount of graphic file.
4. the method for seamless communication is characterized in that between realization dispatching of power netwoks main website as claimed in claim 3 and the transformer station, also includes after described model conversion step:
The communication mapping step generates communication map information swap file;
Communication steps in the transformer station, automatically import described communication map information swap file by the remote station configuration tool after, with ACSI client mode set up and stand in the communicating to connect of IED device.
5. the method for seamless communication is characterized in that between realization dispatching of power netwoks main website as claimed in claim 3 and the transformer station, after described artwork associated steps, also includes:
The data importing step, the electric energy management system with described common information model file and winding diagram importing scheduling station generates database and graphical interfaces, and generates communication information table according to the communication information that comprises in the common information model.
6. method for communicating between realization dispatching of power netwoks main website as claimed in claim 5 and the transformer station is characterized in that, also includes before the described data importing step:
The legitimacy checking procedure, the legitimacy of described common information model of verification and winding diagram if check results is legal, is then carried out described data importing step.
7. the method for seamless communication is characterized in that between realization dispatching of power netwoks main website as claimed in claim 5 and the transformer station, also includes after described data importing step:
File comparison step is exported described communication information table, compares the consistency of the described communication information of verification and the map information swap file of communicating by letter with the described map information swap file of communicating by letter.
8. method for communicating between realization dispatching of power netwoks main website as claimed in claim 1 and the transformer station, it is characterized in that incidence relation description, the secondary device description that allocation models includes primary equipment and topological connection relation description, primary equipment and secondary device at least unified at described full station.
9. a system that realizes seamless communication between dispatching of power netwoks main website and the transformer station is characterized in that, this system includes:
The model dispensing unit is arranged in the transformer station, is used for setting up based on the unification that includes primary equipment model and secondary device model of the IEC 61850 reference formats CONFIG.SYS model of standing entirely;
SFTP file transfer unit is arranged on the front end processor client in remote station service end in the transformer station and the scheduling station, and the data that are used for comprising described full station CONFIG.SYS model connect by sFTP and upload to scheduling station;
The model conversion unit, be arranged in monitoring system of electric substation main frame or the scheduling station front end processor, link to each other with described sFTP linkage unit, be used for CONFIG.SYS model conversion one-tenth in described full station is met the common information model that includes the communication information of IEC61970 reference format;
The seamless communication unit is arranged on remote station end and the interior front end processor end of scheduling station in the transformer station, and the seamless communication that is used to set up between scheduling station and the transformer station connects.
10. the system of seamless communication is characterized in that between realization dispatching of power netwoks main website as claimed in claim 9 and the transformer station, and described sFTP linkage unit includes:
The sFTP server end is arranged in the described remote station, is used for the sFTP that the data of needs transmission are inserted in the remote station is served under the assigned catalogue;
The sFTP client is arranged in the described front end processor, is used for setting up sFTP with described sFTP server end and is connected, and the data under the described sFTP service assigned catalogue are downloaded in the scheduling station.
11. the system as seamless communication between claim 9 or 10 described realization dispatching of power netwoks main websites and the transformer station is characterized in that this system also includes:
The graphic plotting unit is used for the main wiring diagram of visual drafting transforming plant primary equipment, and with described winding diagram can expand vector graphics file output;
And the data of described sFTP linkage unit transmission also include the described vector graphics file of expanding;
The artwork associative cell is arranged in monitoring system of electric substation main frame or the scheduling station front end processor, be used for described common information model with associate according to the described Drawing Object of expanding an amount of graphic file.
12. the system of seamless communication is characterized in that between realization dispatching of power netwoks main website as claimed in claim 11 and the transformer station, this system also includes:
The communication map unit links to each other with described model conversion unit, is used for generating communication map information swap file, and described communication map information is connected the remote station that turns back to transformer station by sFTP;
The station communication unit is arranged in the remote station, be used for after importing described communication map information swap file, with ACSI client mode set up and stand in the communicating to connect of IED device.
13. the system of seamless communication is characterized in that between realization dispatching of power netwoks main website as claimed in claim 11 and the transformer station, this system also includes:
The data importing unit, link to each other with described artwork associative cell, be used for electric energy management system, generate database and graphical interfaces, and generate communication information table according to the communication information that comprises in the common information model with described common information model file and winding diagram importing scheduling station.
14. the system of seamless communication is characterized in that between realization dispatching of power netwoks main website as claimed in claim 13 and the transformer station, this system also includes:
The legitimacy verification unit is arranged between described artwork associative cell and the data importing unit, is used for the legitimacy of described common information model of verification and winding diagram, if check results is legal, then sends to described data importing unit and carries out signal.
15. the system of seamless communication is characterized in that between realization dispatching of power netwoks main website as claimed in claim 13 and the transformer station, this system also includes:
The file comparing unit links to each other with the described unit that communicates to connect, and is used for described communication information table is compared with the described map information swap file of communicating by letter the consistency of the described communication information of verification and the map information swap file of communicating by letter.
16. the system that communicates by letter between realization dispatching of power netwoks as claimed in claim 9 main website and the transformer station, it is characterized in that incidence relation description, the secondary device description that allocation models includes primary equipment and topological connection relation description, primary equipment and secondary device at least unified at described full station.
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